All Stories

  1. Broadband femtosecond spectroscopic ellipsometry

    Article • Review of Scientific Instruments, March 2021, American Institute of Physics

    Rüdiger Schmidt-Grund

  2. Influence of the excitation conditions on the emission behavior of carbon nanodot-based planar microcavities

    Article • Physical Review Research, November 2020, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  3. Hybrid GA-gradient method for thin films ellipsometric data evaluation

    Article • Journal of Computational Science, November 2020, Elsevier

    Rüdiger Schmidt-Grund

  4. Control of magnetic properties in spinel ZnFe2O4 thin films through intrinsic defect manipulation

    Article • Journal of Applied Physics, October 2020, American Institute of Physics

    Dr. Vitaly Zviagin, Rüdiger Schmidt-Grund

  5. Ultrafast dynamics of hot charge carriers in an oxide semiconductor probed by femtosecond spectroscopic ellipsometry

    Article • New Journal of Physics, August 2020, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  6. Molybdenum silicide in infrared emitting devices

    Article • February 2020, SPIE

    Rüdiger Schmidt-Grund

  7. Impact of Defects on Magnetic Properties of Spinel Zinc Ferrite Thin Films

    Article • physica status solidi (b), January 2020, Wiley

    Rüdiger Schmidt-Grund

  8. Voigt Exceptional Points in an Anisotropic ZnO-Based Planar Microcavity: Square-Root Topology, Polarization Vortices, and Circularity

    Article • Physical Review Letters, November 2019, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  9. Femtosecond-time-resolved imaging of the dielectric function of ZnO in the visible to near-IR spectral range

    Article • Applied Physics Letters, November 2019, American Institute of Physics

    Rüdiger Schmidt-Grund, Oliver Herrfurth

  10. On the Optical Properties of Thin‐Film Vanadium Dioxide from the Visible to the Far Infrared

    Article • Annalen der Physik, August 2019, Wiley

    Rüdiger Schmidt-Grund

  11. Transient dielectric functions of Ge, Si, and InP from femtosecond pump-probe ellipsometry

    Article • Applied Physics Letters, July 2019, American Institute of Physics

    Rüdiger Schmidt-Grund, Stefan Zollner, Oliver Herrfurth

  12. Band gap renormalization in n-type GeSn alloys made by ion implantation and flash lamp annealing

    Article • Journal of Applied Physics, May 2019, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  13. Coherent Polariton Modes and Lasing in ZnO Nano‐ and Microwires

    Article • physica status solidi (b), February 2019, Wiley

    Rüdiger Schmidt-Grund

  14. Strain and Band-Gap Engineering in Ge - Sn Alloys via P Doping

    Article • Physical Review Applied, December 2018, American Physical Society (APS)

    Dr. Vitaly Zviagin, Rüdiger Schmidt-Grund

  15. Temperature dependence of the dielectric function of thin film CuI in the spectral range (0.6–8.3) eV

    Article • Applied Physics Letters, October 2018, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  16. Spatiotemporal Evolution of Coherent Polariton Modes in ZnO Microwire Cavities at Room Temperature

    Article • Nano Letters, October 2018, American Chemical Society (ACS)

    Rüdiger Schmidt-Grund

  17. Tunable and switchable lasing in a ZnO microwire cavity at room temperature

    Article • Journal of Physics D Applied Physics, September 2018, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  18. Coherent Polariton States in ZnO Nano- and Microstructures

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Rüdiger Schmidt-Grund

  19. Exceptional Points in the Dispersion of Optically Anisotropic Planar Microcavities

    Article • July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Rüdiger Schmidt-Grund

  20. Optical properties of epitaxial Na0.5Bi0.5TiO3 lead-free piezoelectric thin films: Ellipsometric and theoretical studies

    Article • Applied Surface Science, November 2017, Elsevier

    Rüdiger Schmidt-Grund

  21. Dynamical Tuning of Nanowire Lasing Spectra

    Article • Nano Letters, October 2017, American Chemical Society (ACS)

    Rüdiger Schmidt-Grund

  22. Investigation of the graphitization process of ion-beam irradiated diamond using ellipsometry, Raman spectroscopy and electrical transport measurements

    Article • Carbon, September 2017, Elsevier

    Rüdiger Schmidt-Grund

  23. Temperature dependence of the dielectric tensor of monoclinic Ga2O3 single crystals in the spectral range 1.0–8.5 eV

    Article • Applied Physics Letters, August 2017, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  24. Lasing in cuprous iodide microwires

    Article • Applied Physics Letters, July 2017, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  25. Epsilon-Near-Zero Substrate Engineering for Ultrathin-Film Perfect Absorbers

    Article • Physical Review Applied, July 2017, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  26. Exceptional points in anisotropic planar microcavities

    Article • February 2017, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  27. Temperature dependent self-compensation in Al- and Ga-doped Mg0.05 Zn0.95O thin films grown by pulsed laser deposition

    Article • Journal of Applied Physics, November 2016, American Institute of Physics

    Rüdiger Schmidt-Grund

  28. Raman tensor elements of β-Ga2O3

    Article • Scientific Reports, November 2016, Springer Science + Business Media

    Rüdiger Schmidt-Grund

  29. Optically anisotropic media: New approaches to the dielectric function, singular axes, microcavity modes and Raman scattering intensities

    Article • physica status solidi (RRL) - Rapid Research Letters, November 2016, Wiley

    Rüdiger Schmidt-Grund

  30. Absorptive lasing mode suppression in ZnO nano- and microcavities

    Article • Applied Physics Letters, August 2016, American Institute of Physics

    Rüdiger Schmidt-Grund

  31. Dipole analysis of the dielectric function of color dispersive materials: Application to monoclinicGa2O3

    Article • July 2016, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  32. Coexistence of strong and weak coupling in ZnO nanowire cavities

    Article • The European Physical Journal Applied Physics, June 2016, EDP Sciences

    Rüdiger Schmidt-Grund

  33. Carrier density driven lasing dynamics in ZnO nanowires

    Article • Nanotechnology, April 2016, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  34. Ellipsometric investigation of ZnFe2O4 thin films in relation to magnetic properties

    Article • Applied Physics Letters, March 2016, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  35. Raman Tensor Formalism for Optically Anisotropic Crystals

    Article • Physical Review Letters, March 2016, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  36. Cavity polariton condensate in a disordered environment

    Article • February 2016, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  37. Maxwell consideration of polaritonic quasi-particle Hamiltonians in multi-level systems

    Article • Applied Physics Letters, December 2015, American Institute of Physics

    Rüdiger Schmidt-Grund

  38. Comparative study of optical and magneto-optical properties of normal, disordered, and inverse spinel-type oxides

    Article • physica status solidi (b), October 2015, Wiley

    Professor Dietrich RT Zahn, Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  39. Dielectric tensor of monoclinic Ga2O3 single crystals in the spectral range 0.5–8.5 eV

    Article • APL Materials, October 2015, American Institute of Physics

    Rüdiger Schmidt-Grund

  40. Doping efficiency and limits in (Mg,Zn)O:Al,Ga thin films with two-dimensional lateral composition spread

    Article • physica status solidi (a), August 2015, Wiley

    Rüdiger Schmidt-Grund

  41. Dielectric function in the spectral range (0.5–8.5)eV of an (Alx Ga1−x)2O3 thin film with continuous composition spread

    Article • Journal of Applied Physics, April 2015, American Institute of Physics

    Rüdiger Schmidt-Grund, Dr. Vitaly Zviagin

  42. Lattice parameters and Raman-active phonon modes of β-(AlxGa1−x)2O3

    Article • Journal of Applied Physics, March 2015, American Institute of Physics

    Rüdiger Schmidt-Grund

  43. Parametric relaxation in whispering gallery mode exciton-polariton condensates

    Article • Physical Review B, January 2015, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  44. Electronic excitations and structure of Li2IrO3 thin films grown on ZrO2:Y (001) substrates

    Article • Journal of Applied Physics, January 2015, American Institute of Physics

    Rüdiger Schmidt-Grund

  45. Phonon-assisted lasing in ZnO microwires at room temperature

    Article • Applied Physics Letters, November 2014, American Institute of Physics

    Rüdiger Schmidt-Grund

  46. Redshift of large wave vector LO phonon modes in wurtzite semiconductors due to the presence of free charge carriers

    Article • Journal of Raman Spectroscopy, September 2014, Wiley

    Rüdiger Schmidt-Grund

  47. Improving the Optical Properties of Self-Catalyzed GaN Microrods toward Whispering Gallery Mode Lasing

    Article • ACS Photonics, September 2014, American Chemical Society (ACS)

    Rüdiger Schmidt-Grund

  48. Temperature dependence of the dielectric function in the spectral range (0.5–8.5) eV of an In2O3 thin film

    Article • Applied Physics Letters, September 2014, American Institute of Physics

    Rüdiger Schmidt-Grund

  49. Lattice parameters and Raman-active phonon modes of (InxGa1–x)2O3 for x < 0.4

    Article • Journal of Applied Physics, July 2014, American Institute of Physics

    Rüdiger Schmidt-Grund

  50. Hydrogen influence on the electrical and optical properties of ZnO thin films grown under different atmospheres

    Article • Thin Solid Films, April 2014, Elsevier

    Rüdiger Schmidt-Grund

  51. Ultrafast dynamics of the dielectric functions of ZnO and BaTiO3 thin films after intense femtosecond laser excitation

    Article • Journal of Applied Physics, February 2014, American Institute of Physics

    Rüdiger Schmidt-Grund

  52. Surface- and point-defect-related Raman scattering in wurtzite semiconductors excited above the band gap

    Article • New Journal of Physics, November 2013, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  53. Vacuum ultraviolet dielectric function of ZnFe2O4 thin films

    Article • Journal of Applied Physics, February 2013, American Institute of Physics

    Rüdiger Schmidt-Grund

  54. Ballistic propagation of exciton–polariton condensates in a ZnO-based microcavity

    Article • New Journal of Physics, January 2012, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  55. One- and two-dimensional cavity modes in ZnO microwires

    Article • New Journal of Physics, October 2011, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  56. Cavity-photon dispersion in one-dimensional confined microresonators with an optically anisotropic cavity material

    Article • Physical Review B, May 2011, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  57. Exciton–polaritons in a ZnO-based microcavity: polarization dependence and nonlinear occupation

    Article • New Journal of Physics, March 2011, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  58. Determination of the refractive index of single crystal bulk samples and micro-structures

    Article • Thin Solid Films, February 2011, Elsevier

    Rüdiger Schmidt-Grund

  59. Optical properties of BaTiO3/ZnO heterostructures under the effect of an applied bias

    Article • Thin Solid Films, February 2011, Elsevier

    Rüdiger Schmidt-Grund

  60. Strain distribution in bent ZnO microwires

    Article • Applied Physics Letters, January 2011, American Institute of Physics

    Rüdiger Schmidt-Grund

  61. Occupation behaviour of the lower exciton-polariton branch in ZnO-based microresonators

    Article • January 2011, American Institute of Physics

    Rüdiger Schmidt-Grund

  62. Structural properties of BaTiO[sub 3]∕ZnO heterostructures and interfaces

    Article • January 2011, American Institute of Physics

    Rüdiger Schmidt-Grund

  63. Whispering gallery modes in zinc oxide micro- and nanowires

    Article • physica status solidi (b), May 2010, Wiley

    Rüdiger Schmidt-Grund

  64. Synthesis and physical properties of cylindrite micro tubes and lamellae

    Article • physica status solidi (b), May 2010, Wiley

    Rüdiger Schmidt-Grund

  65. Two-dimensional confined photonic wire resonators - strong light-matter coupling

    Article • physica status solidi (b), May 2010, Wiley

    Rüdiger Schmidt-Grund

  66. Identification of a donor-related recombination channel in ZnO thin films

    Article • Physical Review B, February 2010, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  67. Observation of strong light-matter coupling by spectroscopic ellipsometry

    Article • Superlattices and Microstructures, January 2010, Elsevier

    Rüdiger Schmidt-Grund

  68. Observation of strong exciton–photon coupling at temperatures up to 410 K

    Article • New Journal of Physics, July 2009, Institute of Physics Publishing

    Rüdiger Schmidt-Grund

  69. Optical characterization of zinc oxide microlasers and microwire core-shell heterostructures

    Article • Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena, January 2009, American Vacuum Society

    Rüdiger Schmidt-Grund

  70. Strong exciton-photon coupling in ZnO based resonators

    Article • Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena, January 2009, American Vacuum Society

    Rüdiger Schmidt-Grund

  71. Exciton–polariton formation at room temperature in a planar ZnO resonator structure

    Article • Applied Physics B Photophysics and Laser Chemistry, August 2008, Springer Science + Business Media

    Rüdiger Schmidt-Grund

  72. A Practical, Self-Catalytic, Atomic Layer Deposition of Silicon Dioxide

    Article • Angewandte Chemie International Edition, August 2008, Wiley

    Rüdiger Schmidt-Grund

  73. Selbstkatalytische Atomlagenabscheidung von Siliciumdioxid

    Article • Angewandte Chemie, August 2008, Wiley

    Rüdiger Schmidt-Grund

  74. Vacuum Ultraviolet Dielectric Function and Band Structure of ZnO

    Article • Journal of the Korean Physical Society, July 2008, Korean Physical Society

    Rüdiger Schmidt-Grund

  75. Whispering gallery mode lasing in zinc oxide microwires

    Article • Applied Physics Letters, June 2008, American Institute of Physics

    Rüdiger Schmidt-Grund

  76. Investigation of the free charge carrier properties at the ZnO-sapphire interface in a-plane ZnO films studied by generalized infrared ellipsometry

    Article • physica status solidi c, May 2008, Wiley

    Rüdiger Schmidt-Grund

  77. Structural and optical properties of ZrO2 and Al2O3 thin films and Bragg reflectors grown by pulsed laser deposition

    Article • physica status solidi c, May 2008, Wiley

    Rüdiger Schmidt-Grund

  78. Optical Properties of ZnO and Related Compounds

    Article • January 2008, Springer Science + Business Media

    Rüdiger Schmidt-Grund

  79. Demonstration of an ultraviolet ZnO-based optically pumped third order distributed feedback laser

    Article • Applied Physics Letters, September 2007, American Institute of Physics

    Rüdiger Schmidt-Grund

  80. ZnO based planar and micropillar resonators

    Article • Superlattices and Microstructures, May 2007, Elsevier

    Rüdiger Schmidt-Grund

  81. Luminescence and surface properties of MgxZn1−xO thin films grown by pulsed laser deposition

    Article • Journal of Applied Physics, April 2007, American Institute of Physics

    Rüdiger Schmidt-Grund

  82. Cathodoluminescence of large-area PLD grown ZnO thin films measured in transmission and reflection

    Article • Applied Physics A, March 2007, Springer Science + Business Media

    Rüdiger Schmidt-Grund

  83. Magnetoresistance and anomalous Hall effect in magnetic ZnO films

    Article • Journal of Applied Physics, March 2007, American Institute of Physics

    Rüdiger Schmidt-Grund

  84. Magnetoresistance in pulsed laser deposited 3d transition metal doped ZnO films

    Article • Thin Solid Films, December 2006, Elsevier

    Rüdiger Schmidt-Grund

  85. RBS studies on coated micro-dimensional glass fibers used as micro-resonators

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, August 2006, Elsevier

    Rüdiger Schmidt-Grund

  86. Magnetoresistance effects in Zn0.90Co0.10O films

    Article • Journal of Applied Physics, July 2006, American Institute of Physics

    Rüdiger Schmidt-Grund

  87. Refractive indices and band-gap properties of rocksalt MgxZn1−xO (0.68⩽x⩽1)

    Article • Journal of Applied Physics, June 2006, American Institute of Physics

    Rüdiger Schmidt-Grund

  88. Metal-insulator transition in Co-dopedZnO: Magnetotransport properties

    Article • Physical Review B, May 2006, American Physical Society (APS)

    Rüdiger Schmidt-Grund

  89. Properties of (InGa)As/GaAs QW (λ ≈ 1.2 µm) facet-coated edge emitting diode laser

    Article • Laser Physics, March 2006, Pleiades Publishing Ltd

    Rüdiger Schmidt-Grund

  90. Cylindric resonators with coaxial Bragg reflectors

    Article • December 2005, SPIE

    Rüdiger Schmidt-Grund

  91. a-Si/SiOx Bragg-reflectors on micro-structured InP

    Article • Thin Solid Films, July 2005, Elsevier

    Rüdiger Schmidt-Grund

  92. UV–VUV spectroscopic ellipsometry of ternary MgxZn1−xO (0≤x≤0.53) thin films

    Article • Thin Solid Films, May 2004, Elsevier

    Rüdiger Schmidt-Grund

  93. Advances of pulsed laser deposition of ZnO thin films

    Article • Annalen der Physik, January 2004, Wiley

    Rüdiger Schmidt-Grund

  94. Dielectric functions (1 to 5 eV) of wurtzite MgxZn1−xO (x⩽0.29) thin films

    Article • Applied Physics Letters, April 2003, American Institute of Physics

    Rüdiger Schmidt-Grund

  95. Plasma-enhanced chemical vapor deposition of SiOx/SiNx Bragg reflectors

    Article • Thin Solid Films, September 2002, Elsevier

    Rüdiger Schmidt-Grund

  96. Polarization-dependent optical transitions at the fundamental band gap and higher critical points of wurtzite ZnO

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Rüdiger Schmidt-Grund